Write as a Vector Equality 12x=240 , 12x-18=240

Problem

12*x=240,12*x−18=240

Solution

1. Identify the system of equations as a single variable x being scaled by coefficients to reach specific constants.

2. Represent the coefficients of x as a column vector and the constants on the right side as another column vector.

3. Apply the definition of scalar multiplication where the variable x multiplies the vector of coefficients to equal the vector of constants.

Final Answer

x*[[12],[12]]−[[0],[18]]=[[240],[240]]

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